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Recognised as Colour

#D28001

  • #D28001
  • Orange
  • Dark
  • Nearest: Dark goldenrod

#D28001 is a orange with RGB values 210, 128, 1 and HSL 36°, 99%, 41%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark goldenrod.

Colour values

#D28001#D28001
HEX#D28001
RGBrgb(210, 128, 1)
RGB (0–1)0.8235, 0.502, 0.0039
RGB percentages82.4%, 50.2%, 0.4%
HSLhsl(36.5, 99.1%, 41.4%)
HSV / HSBhsv(36.5, 99.5%, 82.4%)
CMYK0%, 39%, 99.5%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,795,329
CSS custom property--colour: #D28001;

Brightness & contrast

Relative luminance0.29142WCAG 2.x, 0 is black and 1 is white
Perceived brightness151 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.83:1
Contrast with white3.08:1WCAG normal text: Fail
Contrast with black6.83:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#2D7FFE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9A8700no red cones; affects about 1% of men; ΔE 30.1 from the original
Deuteranopia#AE9B06no green cones; the most common form, about 1% of men; ΔE 30.8 from the original
Tritanopia#E66C6Dno blue cones; rare, and affects men and women equally; ΔE 50.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.08:1WCAG large text: AA
Contrast with black, large text6.83:1WCAG large text: AAA

Named colours

Dark goldenrod · ΔE 15.3Chocolate · ΔE 16.9Dark orange · ΔE 17.3Orange · ΔE 18.5Goldenrod · ΔE 18.9Peru · ΔE 19.3
Nearest named CSS colourDark goldenrod (#B8860B)ΔE 15.32, a distinctly different colour
Hue familyorange
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0153D2
Analogous#D21801, #BBD201
Triadic#01D280, #8001D2
Split complementary#01BBD2, #1801D2
Tetradic#01D218, #0153D2, #D201BB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFDAA0
Lighter +30%#FEC66E
Lighter +20%#FEB23B
Lighter +10%#FE9D08
Darker −10%#9F6101
Darker −20%#6C4201
Darker −30%#3A2300
Darker −40%#070400
More saturated +25%#D38000
Less saturated −25%#B87A1B

Channel breakdown

R210
G128
B1
Red210 (82.4%)
Green128 (50.2%)
Blue1 (0.4%)
Hue36.46°
Saturation (HSL)99.05%
Lightness41.37%
Dominant channelRed
Hex per channelR D2 · G 80 · B 01

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Every value on this page was computed from “d28001” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.